Three-Stage Power Supply System Model for a Wearable IoT Device for COVID-19 Patients.

Area of Science:

• Biomedical Engineering
• Internet of Things (IoT)
• Wearable Technology

Background:

• Wearable IoT (WIoT) devices are vital for remote physiological monitoring during the COVID-19 pandemic.
• The power supply unit is critical for the autonomy and reliability of WIoT health devices.
• Existing WIoT systems require efficient power solutions for continuous operation.

Purpose of the Study:

• To design and implement an efficient power supply system for a WIoT device.
• To enable remote monitoring of oxygen saturation and body temperature.
• To ensure reliable data transmission to an IoT platform.

Main Methods:

• A three-stage power supply system was designed, comprising a rechargeable battery, charge controller, and DC-DC converter.
• The power supply system was implemented as a functional prototype.
• Performance and efficiency of the prototype were rigorously tested.

Main Results:

• The designed power supply unit provided a stable output voltage.
• The system effectively minimized energy losses during operation.
• The prototype demonstrated high efficiency and reliable performance.

Conclusions:

• The developed power supply system is efficient and suitable for WIoT health devices.
• This technology supports continuous remote monitoring of vital signs.
• The system offers a rapidly developing solution for wearable health technology.